<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>myhtml2</title>
</head>
<body>
<ol type="I" start="6">
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ol>
<ol type="A" start="5">
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ol>
<ol>
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ol>
<ul type="square">
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ul>
<ul type="circle">
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ul>
<ul type="disc">
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ul>
<ul>
    <li>python</li>
    <li>html</li>
    <li>css</li>
    <li>javascript</li>
    <li>linux</li>
</ul>
<table border="1px" width="500px">
    <tr>
        <td>阶段</td>
        <td>课程</td>
        <td>内容</td>
    </tr>
    <tr>
        <td>1</td>
        <td>linux</td>
        <td>linux basic</td>
    </tr>
    <tr>
        <td>2</td>
        <td>shell</td>
        <td>shell script</td>
    </tr>
    <tr>
        <td>3</td>
        <td>database</td>
        <td>mysql server</td>
    </tr>
    <tr>
        <td>4</td>
        <td>python</td>
        <td>python program</td>
    </tr>
    <tr>
        <td rowspan="2">111</td>
        <td colspan="2">111</td>
    </tr>
    <tr>
        <td>111</td>
        <td>111</td>
    </tr>
</table>
</body>
</html>